Question: answer (a),(b),(c),(d),plz 6.1 Consider the following optimal tableau for a standard form linear program: X 0 x, 0 -75 10 5 20 X1 0 1

answer (a),(b),(c),(d),plz

6.1 Consider the following optimal tableau for a standard form linear program: X 0 x, 0 -75 10 5 20 X1 0 1 0 0 0 X2 4 -1 1 -2 1 0 0 0 1 0 X4 3 -2 2 -1 -1 Xs 2 -1 3 1 0 0 0 0 1 0 1 0 0 30 (a) Find an optimal vector when the additional requirement x2 = 3 is added to the original model. (b) If we insist on the requirement that x2 6, does the linear program have any feasible solutions? (c) Using the second constraint equation, find upper bounds on the variables xa, X4, X5, and x, that must be satisfied by any feasible solution. (d) Find an optimal vector when the additional requirement x, = 12 is added to the original model. (e) Find an optimal vector when the additional requirement x; = 21 is added to the original model

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